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Finding the Fourth Proportional to 160,501.72, 240,621.20 and 60,605.22

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Solution

The fourth proportional to 160,501.72, 240,621.20 and 60,605.22 is: 90,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,501.72 : 240,621.20 = 60,605.22 : x
  2. Step 2: Convert to fraction form
    160,501.72/240,621.20 = 60,605.22/x
  3. Step 3: Cross multiply
    160,501.72x = 240,621.20 × 60,605.22
  4. Step 4: Simplify right side
    160,501.72x = 14,582,900,762.66
  5. Step 5: Solve for x
    x = 14,582,900,762.66/160,501.72
  6. Step 6: Final answer
    x = 90,858.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.